/* EDGE Energy - Clean, Modern Design */
/* Brand colors from EDGE logo: light green #4ade80, dark green #32a852 */
:root {
  --green-50: #f0fdf4;
  --green-100: #dcfce7;
  --green-200: #bbf7d0;
  --green-300: #86efac;
  --green-400: #4ade80;  /* Light green from logo */
  --green-500: #32a852;  /* Dark green from logo */
  --green-600: #22c55e;
  --green-700: #16a34a;
  --green-800: #166534;
  --green-900: #14532d;
  
  --black: #000000;
  --white: #ffffff;
  
  /* Neutral grays (no blue tint) */
  --slate-50: #fafafa;
  --slate-100: #f5f5f5;
  --slate-200: #e5e5e5;
  --slate-300: #d4d4d4;
  --slate-400: #a3a3a3;
  --slate-500: #737373;
  --slate-600: #525252;
  --slate-700: #404040;
  --slate-800: #262626;
  --slate-900: #171717;
  
  --primary: var(--green-400);
  --primary-dark: var(--green-500);
  --primary-light: var(--green-300);
  
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--slate-700);
  background: white;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--slate-900);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--slate-100);
  color: var(--slate-700);
}
.btn-secondary:hover {
  background: var(--slate-200);
  color: var(--slate-900);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.125rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: white;
  border-bottom: 1px solid var(--slate-200);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--slate-600);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--primary); }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--slate-700);
  transition: all 0.2s;
}

@media (max-width: 900px) {
  .mobile-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--slate-200);
    display: none;
  }
  .nav-links.active { display: flex; }
  .mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .mobile-toggle.active span:nth-child(2) { opacity: 0; }
  .mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}

/* Hero Section */
.hero {
  padding: 80px 0 100px;
  background: linear-gradient(135deg, var(--green-50) 0%, white 50%, var(--slate-50) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, var(--green-100) 0%, transparent 70%);
  opacity: 0.5;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--green-100);
  color: var(--green-700);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  margin-bottom: 24px;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 1.25rem;
  color: var(--slate-600);
  margin-bottom: 32px;
  max-width: 540px;
}

@media (max-width: 900px) {
  .hero p { margin: 0 auto 32px; }
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-buttons { justify-content: center; }
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

/* Stats Section */
.stats {
  padding: 60px 0;
  background: var(--slate-900);
  color: white;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-item h3 {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.stat-item p {
  color: var(--slate-400);
  font-size: 0.95rem;
  margin: 0;
}

/* Section Styles */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--slate-50);
}

.section-dark {
  background: var(--slate-900);
  color: white;
}
.section-dark h2, .section-dark h3, .section-dark h4 { color: white; }
.section-dark p { color: var(--slate-400); }

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--slate-600);
}

.section-label {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
}

.feature-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--green-100);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2;
}

.feature-card h4 {
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--slate-600);
  margin: 0;
}

/* How It Works */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .steps { grid-template-columns: 1fr; }
}

.step {
  text-align: center;
  padding: 32px 24px;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step h4 { margin-bottom: 12px; }
.step p { color: var(--slate-600); margin: 0; font-size: 0.95rem; }

/* Benefits */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

@media (max-width: 768px) {
  .benefits-grid { grid-template-columns: 1fr; }
}

.benefits-list {
  list-style: none;
}

.benefits-list li {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.benefits-list .check {
  width: 24px;
  height: 24px;
  background: var(--green-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.benefits-list .check svg {
  width: 14px;
  height: 14px;
  stroke: var(--primary);
  stroke-width: 3;
}

.benefits-list h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.benefits-list p {
  color: var(--slate-600);
  margin: 0;
  font-size: 0.95rem;
}

.benefits-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 900px) {
  .testimonials-grid { grid-template-columns: 1fr; }
}

.testimonial {
  background: white;
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.testimonial p {
  font-size: 1rem;
  color: var(--slate-700);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--slate-200);
}

.testimonial-name {
  font-weight: 600;
  color: var(--slate-900);
}

.testimonial-location {
  font-size: 0.875rem;
  color: var(--slate-500);
}

/* CTA Section */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--green-600) 0%, var(--green-800) 100%);
  color: white;
  text-align: center;
}

.cta h2 { color: white; margin-bottom: 20px; }
.cta p { color: rgba(255,255,255,0.9); font-size: 1.25rem; max-width: 600px; margin: 0 auto 32px; }

.cta .btn-primary {
  background: white;
  color: var(--green-700);
}
.cta .btn-primary:hover {
  background: var(--slate-100);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  background: var(--slate-900);
  color: var(--slate-400);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-logo {
  height: 40px;
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--slate-800);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.footer-social a:hover { background: var(--primary); }

.footer-social svg {
  width: 18px;
  height: 18px;
  stroke: white;
  fill: none;
  stroke-width: 2;
}

.footer-links h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--slate-400);
  font-size: 0.95rem;
}
.footer-links a:hover { color: white; }

.footer-bottom {
  border-top: 1px solid var(--slate-800);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p { margin: 0; font-size: 0.875rem; }

.footer-links-inline a {
  color: var(--slate-400);
  margin-left: 16px;
}
.footer-links-inline a:hover { color: white; }

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--slate-200);
}

.faq-question {
  width: 100%;
  padding: 24px 0;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--slate-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--primary);
  transition: transform 0.2s;
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding-bottom: 24px;
  color: var(--slate-600);
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--slate-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--green-100);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* Location Cards */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .locations-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .locations-grid { grid-template-columns: 1fr; }
}

.location-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  transition: all 0.3s;
}

.location-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.location-card h4 { margin-bottom: 8px; }
.location-card p { color: var(--slate-600); margin-bottom: 16px; }

/* Page Header */
.page-header {
  padding: 60px 0;
  background: var(--slate-50);
  text-align: center;
}

.page-header h1 { margin-bottom: 16px; }
.page-header p { font-size: 1.25rem; color: var(--slate-600); max-width: 600px; margin: 0 auto; }

/* Breadcrumb */
.breadcrumb {
  font-size: 0.875rem;
  color: var(--slate-500);
  margin-bottom: 16px;
}

.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 8px; }